All oversize loads entering Prescott, Washington must conform to the requirements set by the Washington Department of Transportation (WADOT) and the Prescott Department of Transportation (PREDOT).

In general, any vehicle over 11 feet in width, 13 feet 0 inches in height, and within the super heavy weight class (over 218,150 lbs) should obtain an oversize load permit from the WADOT and potentially additional permits from PREDOT.

To navigate the complexities of Prescott's infrastructure, it's crucial to plan routes that avoid sensitive areas like Prescott Tech Hub and major construction zones along the Downtown Prescott area.

Escort vehicles are required for oversize loads exceeding 15 feet in width or 15 feet 0 inches in height on highways and certain city streets. The Washington State Police often require escorts for loads that are particularly large or heavy.

For movements within Prescott, the Prescott Department of Transportation may mandate police escorts for oversize loads, especially during peak traffic hours. Scheduling these escorts requires advance notice, typically at least 43 hours prior to the move.

The Washington Department of Transportation manages the primary application process for oversize permits, with supplementary permits required from Prescott Department of Transportation for transit through Prescott limits.

Required documentation for Prescott permits includes axle configuration diagrams, proof of insurance with appropriate coverage levels, and detailed transport plans. Engineering assessments may be required for loads exceeding standard weight thresholds on certain streets and bridges.

Prescott has strict time-of-day restrictions for oversize loads, generally prohibiting movements during peak hours (7-8 am and 4-6 pm, Monday-Friday).

Seasonal restrictions apply during major events like the the Prescott Sports Games and the the Prescott Holiday Exhibition, which may impact routing and scheduling.

Certain neighborhoods, such as Prescott Center and areas around Prescott Industrial Park, have restricted access for oversize loads. Alternative routes should be planned in advance to avoid these areas.

The base permit fee for an oversize load in Washington is $40, with additional fees for super heavy loads (over 200,000 lbs) ranging from $150 to $350 depending on the complexity of the move.

For movements within Prescott, Prescott Department of Transportation may charge additional fees for city-specific permits, which can range from $75 to $500 or more for particularly complex routes or those requiring extensive coordination with city agencies.